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Basic dataStandard ID: HJ 1179-2021 (HJ1179-2021)Description (Translated English): (A guide to feasible technologies for the prevention and control of pollution in the coating and ink industry) Sector / Industry: Environmental Protection Industry Standard Word Count Estimation: 16,127 Issuing agency(ies): Ministry of Ecology and Environment HJ 1179-2021: (A guide to feasible technologies for the prevention and control of pollution in the coating and ink industry)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. (A guide to feasible technologies for the prevention and control of pollution in the coating and ink industry) National Ecological Environment Standard of the People's Republic of China Guidance on Feasible Technologies for Pollution Prevention and Control in the Paint and Ink Industry Guideline on available techniques of pollution prevention and control for paint and ink industry This electronic version is the official standard text, which is reviewed and typeset by the Environmental Standards Institute of the Ministry of Ecology and Environment. Published on 2021-05-12 2021-05-12 Implementation Released by the Ministry of Ecology and Environment directory Foreword...ii 1 Scope...1 2 Normative references...1 3 Terms and Definitions...1 4 Industrial production and generation of pollutants...2 5 Pollution Prevention Techniques...4 6 Pollution control technology...5 7 Environmental management measures...7 8 Possible technologies for pollution prevention...9 Appendix A (informative appendix) Coating and ink production process and main pollutant generating nodes...12 Appendix B (informative appendix) VOCs production per unit product and VOCs production concentration level in the paint and ink industry...13 Guidance on Feasible Technologies for Pollution Prevention and Control in the Paint and Ink Industry 1 Scope of applicationThis standard proposes feasible technologies for the prevention and control of waste gas, waste water, solid waste and noise pollution in the paint and ink industry. This standard can be used as the environmental impact assessment of paint and ink industrial enterprises or production facilities construction projects, and the preparation and revision of national pollutant discharge standards. References for ordering, emission permit management and selection of pollution prevention and control technologies. This standard does not apply to production equipment for synthetic resin production and modification.2 Normative referencesThis standard refers to the following documents or clauses thereof. For dated references, only the dated version applies to this standard. For undated references, the latest edition (including all amendments) applies to this standard. GB 8978 Integrated Wastewater Discharge Standard GB 12348 Industrial Enterprise Boundary Environmental Noise Emission Standard GB 14554 Emission Standard of Odor Pollutants GB 18597 Hazardous Waste Storage Pollution Control Standard GB 18599 General Industrial Solid Waste Storage and Landfill Pollution Control Standard GB 25463 Ink Industry Water Pollutant Discharge Standard GB 37824 Air Pollutant Emission Standard for Paint, Ink and Adhesive Industry GB/T 4754-2017 National Economic Industry Classification GB/T 50087 Design specification for noise control of industrial enterprises HJ 1093 Regenerative combustion method industrial organic waste gas treatment engineering technical specification HJ 1116 Technical Specifications for the Application and Issuance of Pollution Discharge Permits for the Manufacturing of Paints, Inks, Pigments and Similar Products HJ 2020 General technical specification for bag type dust removal project HJ 2026 Technical specification for industrial organic waste gas treatment engineering by adsorption method HJ 2027 Technical Specification for Industrial Organic Waste Gas Treatment Engineering by Catalytic Combustion "Measures for the Administration of Hazardous Waste Transfer Forms" "National Hazardous Waste List"3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 paint and ink industrypaint and ink industry Paint manufacturing industry (C2641) and ink and similar products manufacturing industry (C2642) specified in GB/T 4754-2017. 3.2 manufacture of paints The production activities of adding pigments, solvents and auxiliary materials to natural resins or synthetic resins and processing them into covering materials, including coating Preparation of auxiliary materials such as materials and thinners, paint strippers, etc. 3.3 manufacturing of ink It is prepared by mixing and grinding pigments, binders (vegetable oils, mineral oils, resins, solvents) and fillers. Color paste-like substances, as well as for computer printing, ink for copiers and other production activities. 3.4 available techniques of pollution prevention and control According to my country's environmental demand and economic level in a certain period of time, comprehensive use of pollution prevention technology and pollution control technology in the process of pollution prevention and control technology and environmental management measures to stably meet the national pollutant discharge standards and large-scale application of technology. 3.5 volatile organic compounds (VOCs) Organic compounds participating in atmospheric photochemical reactions, or organic compounds determined according to relevant regulations. When characterizing the overall emission of VOCs, according to industry characteristics and environmental management requirements, total volatile organic compounds (with TVOC) can be used. expressed), non-methane total hydrocarbons (expressed as NMHC) as pollutant control items. 3.6 non-methane hydrocarbons (NMHC) Using the specified monitoring method, the sum of the gaseous organic compounds, excluding methane, for which the hydrogen flame ionization detector responds, in terms of carbon mass concentration meter. 3.7 airtight closed/close Contaminants are not in contact with the ambient air, or are isolated from the ambient air by sealing materials, sealing equipment, or operating methods. 3.8 closed space A closed area or closed building formed by using a complete envelope to block pollutants, workplaces, etc. from the surrounding space. Except for personnel, vehicles, equipment, and materials entering and leaving the closed area or closed building, as well as the exhaust pipes and vents established according to law, the door shall be closed. Windows and other openings (holes) should be kept closed at all times. 3.9 VOCs-containing materials This standard refers to raw and auxiliary materials, products and wastes (slag, liquid) with a mass proportion of VOCs greater than or equal to 10%, as well as organic polymer raw materials. Auxiliary materials and waste (slag, liquid). 3.10 fugitive emission Irregular emissions of air pollutants that do not pass through exhaust stacks, including emissions from open workplaces, and through crevices, vents, open Discharge of doors, windows and similar openings (holes), etc.4 Industrial production and generation of pollutants4.1 Production process 4.1.1 Coating Manufacturing Production Process 4.1.1.1 According to the form of the coating product and the dispersion medium used, it can be divided into solvent-based coating, water-based coating and powder coating, etc. of which solvent-based The production process of coatings and water-based coatings mainly includes raw and auxiliary materials storage, metering, transportation, feeding, mixing, grinding, blending, filtration, storage, etc. Storage, packaging, cleaning and other processes. The production process of powder coatings mainly includes raw and auxiliary materials storage, metering, transportation, feeding, mixing, melting Extrusion, tableting, cooling, crushing, grinding, air screening, packaging and other processes. See Appendix A for the paint production process flow. 4.1.1.2 The main raw and auxiliary materials used in the coating production process include resins, fillers, solvents, additives and pigments. Materials containing VOCs Including resins, solvents and additives, where resins include alkyd resins, amino resins, acrylic resins, phenolic resins, epoxy resins and polyurethanes Ester resins, etc.; solvents include aliphatic hydrocarbon mixtures mainly alkanes, aromatic hydrocarbons, alcohols, ethers, ketones, esters and chlorinated alkanes, etc.; additives Including leveling agents, thickeners, surfactants, plasticizers, driers, curing agents, etc. 4.1.1.3 The energy used in paint production mainly includes electricity, natural gas, etc. 4.1.2 Production Process of Ink Manufacturing 4.1.2.1 According to the ink product form, it can be divided into paste ink, liquid ink, etc.; according to the use of binder, it can be divided into solvent-based ink, water-based oil Ink and offset printing ink, etc. The production process of ink mainly includes storage, measurement, transportation, feeding, mixing (kneading), grinding, Preparation, filtration, storage, packaging, cleaning and other processes. See Appendix A for the production process flow of the ink. 4.1.2.2 The main raw and auxiliary materials used in the ink production process include pigments, binders (vegetable oils, mineral oils, resins, solvents, etc.), Fillers and auxiliaries, etc. Materials containing VOCs include resins, solvents and additives, among which resins include polyamide resins, chlorinated polypropylene resins, Polyurethane resins, acrylic resins, polyester resins, phenolic resins and epoxy resins, etc.; solvents include aliphatic hydrocarbon mixtures based on alkanes, Aromatic hydrocarbons, alcohols, ketones and esters, etc.; additives include desiccants, anti-drying agents, viscosity reducers, diluents, thickeners, plasticizers, diluents, Anti-gelling agent, surfactant, defoaming agent, ultraviolet absorber, anti-pinhole agent, foaming agent, etc. 4.1.2.3 The energy used in ink production mainly includes electricity, natural gas, etc. 4.2 Generation of pollutants 4.2.1 Generation of paint manufacturing pollutants 4.2.1.1 Exhaust gas pollutants from paint production include VOCs and particulate matter. VOCs are mainly generated from the storage and mixing of raw and auxiliary materials containing VOCs. Processes such as mixing, grinding, blending, filtration, storage, packaging, etc., as well as the cleaning process of mobile cylinders, stationary cylinders and parts, etc., contain VOCs Storage of hazardous waste, etc. Particulate matter is mainly produced in the processes of mixing, grinding, blending and filtration of solid raw and auxiliary materials. Different paint products See Appendix B for the amount of VOCs produced per unit of product and the concentration level of VOCs produced. 4.2.1.2 Wastewater from paint production is mainly produced in the cleaning process of mobile cylinders, stationary cylinders and workshops, etc. The main pollutant is chemical oxygen demand (CODCr), five-day biochemical oxygen demand (BOD5), suspended solids (SS), ammonia nitrogen (NH3-N) and total nitrogen (TN), etc. 4.2.1.3 The general industrial solid waste generated in the coating production process mainly includes waste packaging and container etc. The generated hazardous wastes mainly include waste packaging and containers contaminated with substances with hazardous properties, VOCs waste (slag, liquid), particulate matter produced by exhaust gas purification system, waste activated carbon, waste catalyst, waste rag, etc., and other listed "National List of Hazardous Wastes" or solids with hazardous properties identified according to the identification standards and identification methods of hazardous wastes stipulated by the state waste. 4.2.1.4 The noise in the coating production process is mainly generated by production equipment (such as sand mill, ball mill, high-speed disperser, conveying pump, etc.) and Operation of auxiliary production equipment (such as exhaust fans, motors, lift pumps, blowers, air compressors, etc.). 4.2.2 Generation of Ink Manufacturing Pollutants 4.2.2.1 Waste gas pollutants from ink production mainly include VOCs and particulate matter. VOCs are mainly produced from VOCs-containing raw materials (linking materials, etc.) Processes such as storage, mixing (kneading), grinding, blending, filtration, storage, packaging, etc., as well as cleaning of moving cylinders, stationary cylinders and parts, etc. Washing process, storage of hazardous waste containing VOCs, etc. Particles are mainly produced from mixing (kneading), grinding, blending and mixing of solid raw and auxiliary materials. filter process. See Appendix B for the production amount of VOCs per unit product and the concentration level of VOCs produced by different ink product types. 4.2.2.2 Wastewater from ink production is mainly produced in the mixing (kneading) process of ink production, the cleaning process of moving cylinders, fixed cylinders and workshops, etc. The main pollutants are CODCr, BOD5, SS, NH3-N and TN. 4.2.2.3 The general industrial solid wastes produced in the ink production process are mainly waste packaging and containers that are not contaminated with hazardous substances. device. The hazardous wastes produced are mainly waste packaging and containers contaminated with hazardous substances, and VOCs produced in the production process. Waste (slag, liquid), particulate matter produced by the exhaust gas purification system, waste activated carbon, waste catalyst, waste rag, etc., and others listed in the "National List of Hazardous Wastes" or solid wastes with hazardous properties identified according to the identification standards and identification methods of hazardous wastes stipulated by the state. 4.2.2.4 The noise in the ink production process is mainly caused by production equipment (such as sand mill, ball mill, high-speed disperser, conveying pump, etc.) and Operation of auxiliary production equipment (such as exhaust fans, motors, lift pumps, cooling towers, blowers, air compressors, etc.).5 Pollution Prevention Technologies5.1 Air pollution prevention technology 5.1.1 Raw and Auxiliary Material Substitution Technology 5.1.1.1 Water-based resin replacement technology for coatings This technology is usually applicable to the production of waterborne architectural coatings, waterborne industrial coatings and other coating products. This technology uses water-based resin as film-forming material quality, and use water as the dispersion medium to produce water-based coatings. Water-based resins suitable for the production of water-based coatings include water-based acrylic resins, water-based Urethane resin, acrylic polyurethane resin, waterborne epoxy resin, waterborne alkyd resin and waterborne polyester resin, etc. Compatible with the production of solvent-borne coatings The production of VOCs in the production of water-based coatings can generally be reduced by more than 30%. 5.1.1.2 Water-based resin replacement technology for ink This technology is usually suitable for the production of water-based gravure inks, water-based flexographic inks and other ink products. This technology uses water-based resin as a binder, And use water as dispersion medium to produce water-based ink. Water-based resins suitable for water-based ink production include water-based acrylic resin, water-based polyurethane resin, acrylic polyurethane resin, water-based epoxy resin, etc. Compared with the production of solvent-based inks, the amount of VOCs produced in the production of water-based inks is one Generally, it can be reduced by more than 30%. 5.1.2 Equipment or process innovation technology 5.1.2.1 Drum pump feeding technology This technology is suitable for the liquid automatic feeding process of coating ink production. Compared with manual feeding, this technology can reduce the raw material containing VOCs. The contact area and time of auxiliary materials with air in the feeding process can reduce the amount of VOCs generated in this process. The tightness of the pipe joint will affect the affect the amount of VOCs produced by this technology. When the viscosity of the material is relatively large, it is easy to cause pipeline blockage, which increases the cleaning frequency and affects the emission reduction of VOCs. Effect. 5.1.2.2 Powder closed feeding technology This technology is suitable for the feeding process of solid raw and auxiliary materials for powder coating production. This technology generally adopts closed bag unpacking machine, material tank and A closed feeding device composed of pneumatic conveying pipelines, etc. Compared with manual feeding, this technology can reduce the fugitive emission of particulate matter in raw and auxiliary materials and material loss. It is suitable for mass production of the same product. When changing products, the cleaning process of the pipeline is more complicated. 5.1.2.3 Closed Sand Mill Grinding Technology This technology is suitable for the grinding process of coating ink production. The sealing performance of the closed sand mill is good. Compared with the traditional basket mill, it can Significantly reduces the amount of VOCs generated in the grinding process. Compared with traditional three-roll mills, this technology generally reduces the generation of VOCs in the grinding process more than 90% of the amount. 5.1.2.4 Automatic or semi-automatic packaging technology This technology is suitable for the packaging process of coating ink products. Automatic packaging technology can be used for all processes in the packaging process of coating ink products (canning, Weighing, capping and palletizing, etc.) are automated. The packaging technology that only realizes the automation of the above part of the process is semi-automatic packaging technology. with manual Compared with packaging, this technology has shorter packaging time and more accurate measurement, which can reduce the contact time of paint and ink products with air in the packaging process. In order to reduce the production of VOCs in this process. It is suitable for mass production of the same product. When changing products, the cleaning process of the canning equipment is more complicated. petty. Local gas collection measures should be taken at automatic and semi-automatic packaging, and the exhaust gas should be discharged to the exhaust gas collection and treatment system. 5.1.2.5 Stationary cylinder/moving cylinder gas collection technology This technology is suitable for processes such as feeding and dispensing of fixed cylinders/moving cylinders. Install exhaust gas collection pipe at the top connection of fixed cylinder/moving cylinder channel, so that the inside of the fixed cylinder/moving cylinder presents a state of slight negative pressure. The exhaust gas should be discharged to the exhaust gas collection and treatment system. When the product contains a higher volatilization rate When there are large components (such as xylene, isopropanol, etc.), this technology can cause material loss, reduce product quality, and generate VOCs. Increase. 5.2 Wastewater pollution prevention technology Washing water recycling technology. This technology is suitable for the cleaning of water-based paint and water-based ink production facilities (mobile cylinders and parts, etc.). Procedure. The cleaning wastewater is recycled to the cleaning process after sedimentation, which can reduce the consumption of fresh water by more than 90% in the cleaning process, and can reduce the amount of cleaning More than 90% of wastewater is produced. When the content of water-soluble solvent in water-based paint and water-based ink is too high, it will affect the recycling rate.6 Pollution control technology6.1 Air pollution control technology 6.1.1 Dust removal technology ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 1179-2021_English be delivered?Answer: Upon your order, we will start to translate HJ 1179-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 1179-2021_English with my colleagues?Answer: Yes. The purchased PDF of HJ 1179-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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